Home / 5,288.90-7,298.76-2,898.84

Finding the Fourth Proportional to 5,288.90, 7,298.76 and 2,898.84

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Solution

The fourth proportional to 5,288.90, 7,298.76 and 2,898.84 is: 4,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.90 : 7,298.76 = 2,898.84 : x
  2. Step 2: Convert to fraction form
    5,288.90/7,298.76 = 2,898.84/x
  3. Step 3: Cross multiply
    5,288.90x = 7,298.76 × 2,898.84
  4. Step 4: Simplify right side
    5,288.90x = 21,157,918.32
  5. Step 5: Solve for x
    x = 21,157,918.32/5,288.90
  6. Step 6: Final answer
    x = 4,000.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.